linux-ext4 - Re: [PATCH 04/11] ext4: remove the call to fiemap_check_flags in ext4

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Message-Id: <20200501232146.C7C39AE045@d06av26.portsmouth.uk.ibm.com>
Date:   Sat, 2 May 2020 04:51:45 +0530
From:   Ritesh Harjani <riteshh@...ux.ibm.com>
To:     Christoph Hellwig <hch@....de>, linux-ext4@...r.kernel.org,
        viro@...iv.linux.org.uk
Cc:     jack@...e.cz, tytso@....edu, adilger@...ger.ca, amir73il@...il.com,
        linux-fsdevel@...r.kernel.org, linux-unionfs@...r.kernel.org
Subject: Re: [PATCH 04/11] ext4: remove the call to fiemap_check_flags in
 ext4_fiemap



On 4/27/20 11:49 PM, Christoph Hellwig wrote:
> iomap_fiemap already calls fiemap_check_flags first thing, so this
> additional check is redundant.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>


Looks fine. Feel free to add
Reviewed-by: Ritesh Harjani <riteshh@...ux.ibm.com>

> ---
>   fs/ext4/extents.c | 3 ---
>   1 file changed, 3 deletions(-)
> 
> diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
> index d2a2a3ba5c44a..a41ae7c510170 100644
> --- a/fs/ext4/extents.c
> +++ b/fs/ext4/extents.c
> @@ -4866,9 +4866,6 @@ int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
>   		fieinfo->fi_flags &= ~FIEMAP_FLAG_CACHE;
>   	}
>   
> -	if (fiemap_check_flags(fieinfo, FIEMAP_FLAG_SYNC | FIEMAP_FLAG_XATTR))
> -		return -EBADR;
> -
>   	/*
>   	 * For bitmap files the maximum size limit could be smaller than
>   	 * s_maxbytes, so check len here manually instead of just relying on the
>